Hualien weather in September 2025

Expect daytime maximum temperatures of 30°C in Hualien, Taiwan in September and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 207 mm of rainfall in the month.

  • 30°C maximum daytime temperature in September in Hualien30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in September in Hualien17
    17 days with some rainfall
  • 23°C minimum night-time temperature in September in Hualien23
    23°C min night temperature
  • 12 hours of daylight per day in September in Hualien12
    12 hours of daylight per day
  • High heat & humidity in September in HualienH
    High heat & humidity
  • 207 mm monthly rainfall in September in Hualien207
    207 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Hualien11
    11 (Extreme) UV index
  • 28°C sea temperature in September in Hualien28
    28°C sea temperature

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The September weather guide for Taiwan (Hualien) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Hualien in September?

Daytime temperatures usually reach 30°C in Hualien in September with high heat and humidity, falling to 23°C at night.

How sunny is it in Hualien in September?

There are normally 6 hours of bright sunshine each day in Hualien in September - that's 51% of daylight hours.

How warm is the sea around Hualien in September?

The average sea temperature around Hualien in September is 28°C.

Does it rain in Hualien in September?

There are usually 17 days with some rain in Hualien in September and the average monthly rainfall is 207mm.

What is the chance of a typhoon in Hualien in September?

On average 2.9 days in September in Hualien are likely to be affected by the passage of one or more tropical storms.

Hualien September sunrise & sunset times

Browse the sunrise and sunset times for Hualien in September 2025. Select a month to view Hualien sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:35 18:12
Monday, 15th September 2025 05:40 17:58
Tuesday, 30th September 2025 05:45 17:42

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